Home / 98,410.38-135,792.63-55,964.22

Finding the Fourth Proportional to 98,410.38, 135,792.63 and 55,964.22

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Solution

The fourth proportional to 98,410.38, 135,792.63 and 55,964.22 is: 77,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,410.38 : 135,792.63 = 55,964.22 : x
  2. Step 2: Convert to fraction form
    98,410.38/135,792.63 = 55,964.22/x
  3. Step 3: Cross multiply
    98,410.38x = 135,792.63 × 55,964.22
  4. Step 4: Simplify right side
    98,410.38x = 7,599,528,619.70
  5. Step 5: Solve for x
    x = 7,599,528,619.70/98,410.38
  6. Step 6: Final answer
    x = 77,222.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.